Search results

Make sure the thermostat is properly seated in the flange groove of the manifold. I seen them slip and get tightened with the flange not seating. I would removed the entire coolant manifold and replace the small coolant gaskets on the heads and clean and file the thermostats housing as...

I would just use a flanged M10 bolt and some silver never seize. It is about as good as you can get. I had better success using an impact on them. That always worked for me. I tighten a tweak first and then hit it in reverse. The impact seems to be the trick. Good Luck.